| Pin | Signal | Use | | :--- | :--- | :--- | | A2, A3 | SSTXp1, SSTXn1 | 4K video uplink | | B10, B11 | SSRXp1, SSRXn1 | Telemetry downlink | | A5 | CC1 | USB-PD negotiation | | A9 | VBUS | Power input (5V-20V) |
